package com.cursordemo.mapper;

import com.cursordemo.pojo.Dept;
import org.apache.ibatis.annotations.*;

import java.util.List;

/**
 * 部门Mapper接口
 */
@Mapper
public interface DeptMapper {
    
    /**
     * 查询所有部门
     */
    @Select("select * from dept order by id")
    List<Dept> list();
    
    /**
     * 根据ID查询部门
     */
    @Select("select * from dept where id = #{id}")
    Dept getById(Integer id);
    
    /**
     * 新增部门
     */
    @Insert("insert into dept(name, create_time, update_time) values(#{name}, now(), now())")
    void insert(Dept dept);
    
    /**
     * 修改部门
     */
    @Update("update dept set name = #{name}, update_time = now() where id = #{id}")
    void update(Dept dept);
    
    /**
     * 根据ID删除部门
     */
    @Delete("delete from dept where id = #{id}")
    void deleteById(Integer id);
} 